117612-01-8 3,4-Dihydro-4-((3-chlorophenyl)imino)-2,2-dimethyl-7H-furo(3,4-b)pyran-7(5H)-one N-oxide 7H-Furo(3,4-b)pyran-7(5H)-one, 3,4-dihydro-4-((3-chlorophenyl)imino)-2,2-dimethyl-, N-oxide